Eric Guichard - 08 May 2024 Form 3 Insider Report for Silvaco Group, Inc. (SVCO)

Footnote F1

Each restricted stock unit ("RSUs") represents a contingent right to receive one share of Silvaco Group, Inc. common stock. The amount of securities reported on this Form 3 has been adjusted to reflect a 1-for-2 reverse stock split, which became effective with the State of Delaware on April 29, 2024 in connection with the Issuer's initial public offering (the "IPO").

Footnote F2

Includes an award of 30,180 RSUs granted on November 11, 2014, with a vesting start date of November 27, 2014, under the Silvaco Group, Inc. Amended and Restated 2014 Stock Incentive Plan (the "2014 Plan") that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. The time-based vesting requirement was satisfied with respect to all 30,180 RSUs as of November 27, 2018

Footnote F3

Includes an award of 3,500 RSUs granted on September 1, 2015, with a vesting start date of September 1, 2015, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. The time-based vesting requirement was satisfied with respect to all 3,500 RSUs as of September 1, 2019.

Footnote F4

Includes an award of 5,000 RSUs granted on October 17, 2016, with a vesting start date of October 31, 2016, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. The time-based vesting requirement was satisfied with respect to all 5,000 RSUs as of October 31, 2020.

Footnote F5

Includes an award of 5,000 RSUs granted on August 12, 2020, with a vesting start date of January 1, 2020, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. The time-based vesting requirement was satisfied with respect to all 5,000 RSUs as of January 1, 2024.

Footnote F6

Includes an award of 7,500 RSUs granted on May 24, 2021, with a vesting start date of January 1, 2021, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Pursuant to the Silvaco Group, Inc. Executive Severance Plan, upon the closing of the IPO the reporting person, as an executive officer, will be entitled to accelerate the satisfaction of the time-based vesting requirement with respect to 25% of the unvested portion of the reporting person's RSUs outstanding as of the closing of the IPO, subject to the reporting person's continuous service through such date (the "Time-Based Vesting Requirement Acceleration"). Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 6,445 shares. The remaining 1,055 shares will

Footnote F7

[continued from footnote 6] satisfy the time-based vesting requirement in equal quarterly installments from July 1, 2024 to January 1, 2025, subject to the reporting person's continuous service through each applicable vesting date.

Footnote F8

Includes an award of 2,500 RSUs granted on November 24, 2021, with a vesting start date of November 24, 2021, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. The time-based vesting requirement was satisfied on the grant date.

Footnote F9

Includes an award of 10,000 RSUs granted on April 22, 2022, with a vesting start date of January 1, 2022, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 6,718 shares. The remaining 3,282 shares will satisfy the time-based vesting requirement in equal quarterly installments from July 1, 2024 to January 1, 2026, subject to the reporting person's continuous service through each applicable vesting date.

Footnote F10

Includes an award of 15,000 RSUs granted on January 26, 2023, with a vesting start date of January 1, 2023, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 7,735 shares. The remaining 7,265 shares will satisfy the time-based vesting requirement in equal quarterly installments from July 1, 2024 to October 1, 2026, subject to the reporting person's continuous service through each applicable vesting date.

Footnote F11

Includes an award of 10,000 RSUs granted on November 13, 2023, with a vesting start date to be set at the beginning of the first full quarter following the IPO, under the 2014 Plan that are subject to a vesting period of two years, with 1/8 of the shares vesting every three months following the vesting start date, subject to the reporting person's continuous service. These RSUs are not subject to the Time-Based Vesting Requirement Acceleration.

Footnote F12

Includes an award of 12,500 RSUs granted on January 29, 2024, with a vesting start date of January 1, 2024, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 3,125 shares. Of the remaining 9,375 shares, 3,125 shares will satisfy the time-based vesting requirement on January 1, 2025 and 6,250 shares will satisfy the time-based vesting requirement in equal quarterly installments from April 1, 2025 to January 1, 2027, in each case subject to the reporting person's continuous service through each applicable vesting date.